<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>行内元素</title>
    <style>
        span {
            width: 100px;
            height: 100px;
            background: hotpink;
        }
    </style>
</head>

<body>
    <span>哈哈哈啊啦啦啦啦</span>
    <strong>呵呵呵呵</strong>
</body>

</html>